codestates / codestates/EmotiPop

[Error-Handling] ERR_HTTP_HEADERS_SENT 관련 에러

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back-end error-handling
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JavaScript
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Description

### **어떤 에러인가요?**

- Client로 res요청을 두번이상 보내면 생기는 에러

### **에러 메시지**

![스크린샷 2021-12-08 오후 11 49 26](https://user-images.githubusercontent.com/69428509/145229276-36768df9-cb1b-48ac-9381-d6abffe669a9.png)
### **에러 핸들링 방법**

- res마다 return을 앞에 적어주어서 해결.

### **에러 핸들링을 위해 참고한 레퍼런스 링크**

[[GeekyAnts/NativeBase#4303](https://github.com/GeekyAnts/NativeBase/issues/4303)](https://avengersrhydon1121.tistory.com/150)

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